- FondsSwift - Papers of Herbert Walker Swift
- Series3 - Letters to Swift
- Item1 - Copy of T.L., from Swift to Mr Mellor
- Item2 - T.L.s., from Mr Haden, Coil Spring Federation Research Organisation Sheffield, to Swift
- Item3 - Copy of T.L. from Swift to Mr Haden, Coil Spring Federation Research Organisation Sheffield
- Item4 - T.L.s., from A.V. Jobling, English Steel Corporation Ltd. Sheffield, to Swift